Maintenance, Check expansion tank, Check boiler relief valve – Lochinvar Wall Mount Boiler WH 55-399 User Manual
Page 76: Inspect ignition and flame sense electrodes, Check ignition ground wiring, Check all boiler wiring, Check control settings, Flue vent system and air piping, Check water system
Maintenance, Check expansion tank, Check boiler relief valve | Inspect ignition and flame sense electrodes, Check ignition ground wiring, Check all boiler wiring, Check control settings, Flue vent system and air piping, Check water system | Lochinvar Wall Mount Boiler WH 55-399 User Manual | Page 76 / 80